Let's face it: landline call blocking devices don't
So we decided to do something different: build a
call-filtering system that focuses on the calls you
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hardware, and smartphone app, imp gives yours landline
When someone you want to hear from calls, your phone
rings. And everyone else is silently handled by imp,
either being sent to voicemail or simply hung up on. No
ring. No problem.
With imp, the only calls you want are the call you get.